;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2004 Carl D. Sorensen <c_sorensen@byu.edu>
-
-
+;;;; (c) 2004--2006 Carl D. Sorensen <c_sorensen@byu.edu>
(define (fret-parse-marking-list marking-list fret-count)
(let* ((fret-range (list 1 fret-count))
((eq? my-code 'place-fret)
(set! dot-list (cons* (cdr my-item) dot-list))))
(parse-item (cdr mylist)))))
- ; calculate fret-range
+
+ ;; calculate fret-range
(let ((maxfret 0) (minfret 99))
(let updatemax ((fret-list dot-list))
(if (null? fret-list)
(acons 'barre-list barre-list
(acons 'dot-list dot-list
(acons 'xo-list xo-list '()))))))
-
+
+
+
(define (subtract-base-fret base-fret dot-list)
"Subtract @var{base-fret} from every fret in @var{dot-list}"
(if (null? dot-list)
(prepend-alist-chain 'font-family 'sans props))))
(interpret-markup layout my-props text)))
-(define (sans-serif-stencil-white layout props mag text)
-"create a stencil with white text in sans-serif font based on @var{layout} and @var{props}
-with magnification @varr{mag} of the string @var{text}."
- (let* ((text-stencil (sans-serif-stencil layout props mag text))
- (x-extent (ly:stencil-extent text-stencil X))
- (y-extent (ly:stencil-extent text-stencil Y))
- (c `(white-text ,(* 2 mag) ,text))) ;urg -- workaround for using ps font
- (ly:make-stencil c x-extent y-extent))) ;urg -- extent is not from ps font, but we hope it's close
-
(define (draw-strings string-count fret-range th size)
-"Draw the strings (vertical lines) for a fret diagram with @var{string-count} strings and frets as indicated
- in @var{fret-range}. Line thickness is given by @var{th}, fret & string spacing by @var{size}. "
+"Draw the strings (vertical lines) for a fret diagram with
+@var{string-count} strings and frets as indicated in @var{fret-range}.
+Line thickness is given by @var{th}, fret & string spacing by
+@var{size}. "
(let* ((fret-count (+ (- (cadr fret-range) (car fret-range)) 1))
(sl (* (+ fret-count 1) size))
(sth (* size th))
gap 0))))
(define (draw-fret-lines fret-count string-count th size)
- "Draw @var{fret-count} frets (horizontal lines) for a fret diagram with @var{string-count} strings.
- Line thickness is given by @var{th}, fret & string spacing by @var{size}. "
+ "Draw @var{fret-count} frets (horizontal lines) for a fret diagram
+with @var{string-count} strings. Line thickness is given by @var{th},
+fret & string spacing by @var{size}. "
(let* ((fret-length (* (- string-count 1) size))
(sth (* size th))
(half-thickness (* sth 0.5))
(define (draw-frets layout props fret-range string-count th size)
- "Draw the frets (horizontal lines) for a fret diagram with @var{string-count} strings and frets as indicated
- in @var{fret-range}. Line thickness is given by @var{th}, fret & string spacing by @var{size}. "
+ "Draw the frets (horizontal lines) for a fret diagram with
+@var{string-count} strings and frets as indicated in @var{fret-range}.
+Line thickness is given by @var{th}, fret & string spacing by
+@var{size}. "
(let* ((fret-count (+ (- (cadr fret-range) (car fret-range)) 1))
(fret-length (* (- string-count 1) size))
(half-thickness (* th 0.5))
(- size th) 0)))
-(define (centered-stencil stencil)
- "Center stencil @var{stencil} in both the X and Y directions"
- (let* ((output-stencil stencil))
-; (if (= (cadr (ly:version)) 3)
- (begin
- (ly:stencil-align-to! output-stencil Y 0)
- (ly:stencil-align-to! output-stencil X 0)
- output-stencil)))
-; (ly:stencil-align-to (ly:stencil-align-to text-stencil X 0) Y 0))))
-
-(define (draw-dots layout props string-count fret-range size finger-code dot-position dot-radius dot-list)
+(define (draw-dots layout props string-count fret-range size finger-code
+ dot-position dot-radius dot-thickness dot-list)
"Make dots for fret diagram."
+
(let* ((scale-dot-radius (* size dot-radius))
+ (scale-dot-thick (* size dot-thickness))
(dot-color (chain-assoc-get 'dot-color props 'black))
; (finger-xoffset (chain-assoc-get 'finger-xoffset props -0.25))
; (finger-yoffset (chain-assoc-get 'finger-yoffset props (- size)))
(finger-xoffset -0.25)
- (finger-yoffset (- size))
+ (finger-yoffset (- (* size 0.5)))
; (dot-label-font-mag (* scale-dot-radius (chain-assoc-get 'dot-label-font-mag props 1.0)))
(dot-label-font-mag scale-dot-radius)
; (string-label-font-mag (* size (chain-assoc-get 'label-font-mag props 0.7)))
- (string-label-font-mag (* size 0.7))
+ (string-label-font-mag (* size 0.6))
(fret-count (+ (- (cadr fret-range) (car fret-range) 1)))
(mypair (car dot-list))
(restlist (cdr dot-list))
(finger (caddr mypair))
(finger (if (number? finger) (number->string finger) finger))
(dotstencil (if (eq? dot-color 'white)
- (begin
- (ly:make-stencil (list 'white-dot 0 0 scale-dot-radius) extent extent))
- (ly:make-stencil (list 'dot 0 0 scale-dot-radius ) extent extent)))
- (positioned-dot (ly:stencil-translate-axis
- (ly:stencil-translate-axis dotstencil xpos X)
- ypos Y))
+ (ly:stencil-add
+ (make-circle-stencil scale-dot-radius scale-dot-thick #t)
+ (ly:stencil-in-color
+ (make-circle-stencil
+ (- scale-dot-radius (* 0.5 scale-dot-thick)) 0 #t)
+ 1 1 1))
+ (make-circle-stencil scale-dot-radius scale-dot-thick #t)))
+ (positioned-dot (begin
+ ;(display dotstencil)
+ (ly:stencil-translate-axis
+ (ly:stencil-translate-axis dotstencil xpos X)
+ ypos Y)))
+
(labeled-dot-stencil
(if (or (eq? finger '())(eq? finger-code 'none))
positioned-dot
- (if (eq? finger-code 'in-dot)
- (let* ((dot-proc (if (eq? dot-color 'white) 'white-dot 'dot)))
- (ly:stencil-add
- (ly:stencil-translate-axis
- (ly:stencil-translate-axis
- (if (eq? dot-color 'white)
- (centered-stencil (sans-serif-stencil layout props dot-label-font-mag finger))
- (centered-stencil (sans-serif-stencil-white layout props
- dot-label-font-mag finger)))
- xpos X)
- ypos Y)
- (ly:stencil-translate-axis
- (ly:stencil-translate-axis
- (ly:make-stencil (list dot-proc 0 0 scale-dot-radius) extent extent)
+ (if (eq? finger-code 'in-dot)
+ (let* ((finger-label (centered-stencil
+ (sans-serif-stencil layout props
+ dot-label-font-mag finger))))
+ (ly:stencil-translate-axis
+ (ly:stencil-translate-axis
+ (ly:stencil-add
+ dotstencil
+ (if (eq? dot-color 'white)
+ finger-label
+ (ly:stencil-in-color finger-label 1 1 1)))
xpos X)
- ypos Y)))
+ ypos Y))
(if (eq? finger-code 'below-string)
(ly:stencil-add
positioned-dot
(ly:stencil-translate-axis
(ly:stencil-translate-axis
(centered-stencil (sans-serif-stencil layout props
- string-label-font-mag finger)) xpos X)
- (* size finger-yoffset) Y))
+ string-label-font-mag finger))
+ xpos X)
+ (* size finger-yoffset) Y))
;unknown finger-code
positioned-dot)))))
(if (null? restlist)
labeled-dot-stencil
(ly:stencil-add
(draw-dots layout props string-count fret-range size finger-code
- dot-position dot-radius restlist)
+ dot-position dot-radius dot-thickness restlist)
labeled-dot-stencil))))
(define (draw-xo layout props string-count fret-range size xo-list)
glyph-stencil))))
(define (make-bezier-sandwich-list left right bottom height thickness)
-" Make the argument list for a horizontal bezier sandwich from @var{left} to @var{right} with a bottom at @var{bottom},
- a height of @var{height}, and a thickness of @var{thickness}."
+" Make the argument list for a horizontal bezier sandwich from
+@var{left} to @var{right} with a bottom at @var{bottom}, a height of
+@var{height}, and a thickness of @var{thickness}."
(let* ((width (+ (- right left) 1))
(x1 (+ (* width thickness) left))
(x2 (- right (* width thickness)))
(if (not (null? barre-list))
(let* ((string1 (caar barre-list))
(string2 (cadar barre-list))
- (fret (caddar barre-list))
+ (fret (caddar barre-list))
(barre-type (chain-assoc-get 'barre-type props 'curved))
(scale-dot-radius (* size dot-radius))
(barre-vertical-offset (chain-assoc-get 'barre-vertical-offset props 0.5))
- ; 2 is 1 for empty fret at bottom of figure + 1 for interval (top-fret - fret + 1) -- not an arbitrary constant
- (dot-center-y (* size (- (+ 2 (- (cadr fret-range) fret))dot-position) ))
- (bottom (+ dot-center-y (* barre-vertical-offset scale-dot-radius)))
+ ;; 2 is 1 for empty fret at bottom of figure + 1 for interval (top-fret - fret + 1) -- not an arbitrary constant
+ (dot-center-y (* size
+ (- (+ 2 (- (cadr fret-range) fret)) dot-position)))
+ (bottom (+ dot-center-y (* barre-vertical-offset scale-dot-radius)))
(left (* size (- string-count string1)))
(right (* size (- string-count string2)))
-; (bezier-thick (chain-assoc-get 'bezier-thickness props 0.1))
+;; (bezier-thick (chain-assoc-get 'bezier-thickness props 0.1))
(bezier-thick 0.1)
-; (bezier-height (chain-assoc-get 'bezier-height props 0.5))
+;; (bezier-height (chain-assoc-get 'bezier-height props 0.5))
(bezier-height 0.5)
(bezier-list (make-bezier-sandwich-list left right bottom (* size bezier-height) (* size bezier-thick)))
(barre-stencil (if (eq? barre-type 'straight)
(ly:make-stencil (list 'draw-line (* size dot-radius) left dot-center-y right dot-center-y)
(cons left right)
(cons (- dot-center-y scale-dot-radius) (+ dot-center-y scale-dot-radius)))
- (ly:make-stencil (list 'bezier-sandwich `(quote ,bezier-list) (* size bezier-thick) )
+ (ly:make-stencil (list 'bezier-sandwich `(quote ,bezier-list) (* size bezier-thick))
(cons left right)
(cons bottom (+ bottom (* size bezier-height)))))))
(if (not (null? (cdr barre-list)))
(draw-barre layout props string-count fret-range size finger-code
dot-position dot-radius (cdr barre-list)))
barre-stencil ))))
-
(define (stepmag mag)
"Calculate the font step necessary to get a desired magnification"
"Label the base fret on a fret diagram"
(let* ((base-fret (car fret-range))
; (label-font-mag (chain-assoc-get 'label-font-mag props 0.7))
- (label-font-mag 0.7)
+ (label-font-mag 0.5)
; (label-vertical-offset (chain-assoc-get 'fret-label-vertical-offset props -0.2))
(label-vertical-offset -0.2)
(number-type (chain-assoc-get 'number-type props 'roman-lower))
(sans-serif-stencil layout props (* size label-font-mag) label-text)
(* size (+ fret-count label-vertical-offset)) Y)))
-(def-markup-command (fret-diagram-verbose layout props marking-list)
+(define-builtin-markup-command (fret-diagram-verbose layout props marking-list)
(list?)
"Make a fret diagram containing the symbols indicated in @var{marking-list}
For example,
@example
- \\markup \\fret-diagram #'((mute 6) (mute 5) (open 4)
+ \\markup \\fret-diagram-verbose #'((mute 6) (mute 5) (open 4)
(place-fret 3 2) (place-fret 2 3) (place-fret 1 2))
@end example
Place a barre indicator (much like a tie) from string @var{start-string}to string @var{end-string} at fret @var{fret-number}
@item (place-fret string-number fret-number finger-value)
-Place a fret playing indication on string @var{string-number} at fret @var{fret-number} with an optional
-fingering label @var{finger-value}. By default, the fret playing indicator is a solid dot. This can be
-changed by setting the value of the variable @var{dot-color}. If the @var{finger}
-part of the place-fret element is present, @var{finger-value} will be displayed according to the setting of the variable
-@var{finger-code}. There is no limit to the number of fret indications per string.
+
+Place a fret playing indication on string @var{string-number} at fret
+@var{fret-number} with an optional fingering label @var{finger-value}.
+By default, the fret playing indicator is a solid dot. This can be
+changed by setting the value of the variable @var{dot-color}. If the
+@var{finger} part of the place-fret element is present,
+@var{finger-value} will be displayed according to the setting of the
+variable @var{finger-code}. There is no limit to the number of fret
+indications per string.
+
+
+
+
@end table
"
(make-fret-diagram layout props marking-list))
(default-dot-position (if (eq? finger-code 'in-dot) (- 0.95 default-dot-radius) 0.6)) ; move up to make room for bigger if labeled
(dot-radius (chain-assoc-get 'dot-radius props default-dot-radius)) ; needed for both draw-dots and draw-barre
(dot-position (chain-assoc-get 'dot-position props default-dot-position)) ; needed for both draw-dots and draw-barre
- (th (* (ly:output-def-lookup layout 'linethickness)
+ (th (* (ly:output-def-lookup layout 'line-thickness)
(chain-assoc-get 'thickness props 0.5))) ; needed for both draw-frets and draw-strings
(alignment (chain-assoc-get 'align-dir props -0.4)) ; needed only here
; (xo-padding (* th (chain-assoc-get 'padding props 2))) ; needed only here
- (label-space 0.25)
- (xo-padding (* th 2))
+ (label-space (* 0.25 size))
+ (xo-padding (* th size 5))
(label-dir (chain-assoc-get 'label-dir props RIGHT))
(parameters (fret-parse-marking-list marking-list fret-count))
(dot-list (cdr (assoc 'dot-list parameters)))
fret-diagram-stencil)))
(if (not (null? dot-list))
(set! fret-diagram-stencil (ly:stencil-add
+ fret-diagram-stencil
(draw-dots layout props string-count fret-range size finger-code
- dot-position dot-radius dot-list)
- fret-diagram-stencil)))
+ dot-position dot-radius th dot-list))))
(if (not (null? xo-list))
(set! fret-diagram-stencil (ly:stencil-combine-at-edge
fret-diagram-stencil Y UP
(set! fret-diagram-stencil
(ly:stencil-combine-at-edge fret-diagram-stencil X label-dir
(label-fret layout props string-count fret-range size) label-space 0)))
- (ly:stencil-align-to! fret-diagram-stencil X alignment)
- fret-diagram-stencil))
+ (ly:stencil-aligned-to fret-diagram-stencil X alignment)
+ ))
-(def-markup-command (fret-diagram layout props definition-string)
+(define-builtin-markup-command (fret-diagram layout props definition-string)
(string?)
"
Example
(define (get-numeric-from-key keystring)
"Get the numeric value from a key of the form k:val"
- (string->number (substring keystring 2 (string-length keystring) )))
+ (string->number (substring keystring 2 (string-length keystring))))
(define (numerify mylist)
"Convert string values to numeric or character"
(cons* numeric-value (numerify (cdr mylist)))
(cons* (car (string->list (car mylist))) (numerify (cdr mylist)))))))
-(def-markup-command (fret-diagram-terse layout props definition-string)
+(define-builtin-markup-command (fret-diagram-terse layout props definition-string)
(string?)
"Make a fret diagram markup using terse string-based syntax.
Example
@example
- \\markup \\fret-diagram #\"x;x;o;2;3;2;\"
+ \\markup \\fret-diagram-terse #\"x;x;o;2;3;2;\"
@end example
for a D chord diagram.
projects / lilypond.git / blobdiff